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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/** @file max-binding.c
*
* Test that using more than the maximum number of suported interface block,
* sampler, or atomic bindings fails with a compile error.
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 32;
config.window_width = 1;
config.window_height = 1;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
static bool
generate_and_compile_shader(GLuint stage, const char *src_template,
unsigned binding)
{
char *src;
int ret;
ret = asprintf(&src, src_template, binding);
assert(ret);
ret = piglit_compile_shader_text_nothrow(stage, src);
free(src);
return ret;
}
static bool
run_test_sampler_max_bindings(unsigned binding)
{
const char *src_template = "#version 150\n"
"#extension GL_ARB_arrays_of_arrays : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"layout(binding=%d) uniform sampler2D sampler[2][2];\n"
"in vec2 coord;"
"\n"
"void main() {\n"
" gl_FragColor = texture2D(sampler[1][1], coord) + texture2D(sampler[0][1], coord);"
"}\n";
return generate_and_compile_shader(GL_FRAGMENT_SHADER, src_template,
binding);
}
static bool
run_test_interface_max_bindings(unsigned binding)
{
const char *src_template = "#version 150\n"
"#extension GL_ARB_arrays_of_arrays : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"layout(binding=%d) uniform ArraysOfArraysBlock\n"
"{\n"
" float a;"
"} i[2][2];\n"
"void main() {\n"
" gl_Position = vec4(i[0][0].a, i[0][1].a, i[1][0].a, i[1][1].a);"
"}\n";
return generate_and_compile_shader(GL_VERTEX_SHADER, src_template,
binding);
}
static bool
run_test_ac_fragment_max_bindings(unsigned binding)
{
const char *src_template = "#version 150\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"#extension GL_ARB_arrays_of_arrays : enable\n"
"\n"
"layout(binding=%d) uniform atomic_uint x[2][2];"
"\n"
"void main() {\n"
"}\n";
return generate_and_compile_shader(GL_FRAGMENT_SHADER, src_template,
binding);
}
static bool
run_test_ac_vertex_max_bindings(unsigned binding)
{
const char *src_template = "#version 150\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"#extension GL_ARB_arrays_of_arrays : enable\n"
"\n"
"in vec4 position;\n"
"layout(binding=%d) uniform atomic_uint x[2][2];"
"\n"
"void main() {\n"
" gl_Position = position;\n"
"}\n";
return generate_and_compile_shader(GL_VERTEX_SHADER, src_template,
binding);
}
static void
subtest_fail(enum piglit_result *status, char *name)
{
piglit_report_subtest_result(PIGLIT_FAIL, "%s", name);
*status = PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
enum piglit_result status = PIGLIT_PASS;
int max_ab_binding;
int max_samp_binding;
int max_ifc_blk_binding;
/* assume the templates use this number of elements */
int array_elements = 4;
if (piglit_is_extension_supported("GL_ARB_shader_atomic_counters")) {
glGetIntegerv(GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS,
&max_ab_binding);
}
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS,
&max_samp_binding);
glGetIntegerv(GL_MAX_UNIFORM_BUFFER_BINDINGS, &max_ifc_blk_binding);
/* require 3.2 for interface block support */
piglit_require_gl_version(32);
piglit_require_extension("GL_ARB_arrays_of_arrays");
piglit_require_extension("GL_ARB_shading_language_420pack");
/* text above max limit */
if(run_test_interface_max_bindings(max_ifc_blk_binding-(array_elements-1)))
subtest_fail(&status, "Test interface block binding above "
"maximum number of uniform "
"buffer bindings");
/* test max boundary */
if(!run_test_interface_max_bindings(max_ifc_blk_binding-array_elements))
subtest_fail(&status, "Test interface block binding on "
"boundary of maximum number of uniform "
"buffer bindings");
/* text above max limit */
if(run_test_sampler_max_bindings(max_samp_binding-(array_elements-1)))
subtest_fail(&status, "Test sampler binding above "
"maximum number of texture "
"unit bindings");
/* test max boundary */
if(!run_test_sampler_max_bindings(max_samp_binding-array_elements))
subtest_fail(&status, "Test sampler binding on boundary "
"of maximum number of texure "
"unit bindings");
if (piglit_is_extension_supported("GL_ARB_shader_atomic_counters")) {
/* text above max limit */
if(run_test_ac_fragment_max_bindings(max_ab_binding))
subtest_fail(&status, "Fragment shader test above "
"maximum number of atomic "
"counter bindings");
if(run_test_ac_vertex_max_bindings(max_ab_binding))
subtest_fail(&status, "Vertex shader test above "
"maximum number of atomic "
"counter bindings");
/* test max boundary */
if(!run_test_ac_fragment_max_bindings(max_ab_binding-1))
subtest_fail(&status, "Fragment shader test boundary "
"of maximum number of atomic "
"counter bindings");
if(!run_test_ac_vertex_max_bindings(max_ab_binding-1))
subtest_fail(&status, "Vertex shader test boundary "
"of maximum number of atomic "
"counter bindings");
}
piglit_report_result(status);
}
enum piglit_result
piglit_display(void)
{
return PIGLIT_PASS;
}
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